CVE-2026-54057

Kitty vulnerable to command injection via unsanitized OSC 21 query reply

State: Published
Severity: 7.3 High
Published: Jun 12, 2026
Updated: Jun 16, 2026
Reserved: Jun 11, 2026

Description

Kitty is a cross-platform GPU based terminal. In versions prior to 0.47.3, kitty's OSC 21 (color-control) query reply reflects attacker-controlled bytes, including newlines, into the shell's input without sanitization. Version 0.47.3 fixes the issue.

Scores

CVSS	Score	Vector	Source
4.0	7.3 High	CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N	GitHub_M

Weaknesses

CWE-94 Improper Control of Generation of Code ('Code Injection')
CWE-150 Improper Neutralization of Escape, Meta, or Control Sequences

Affected Products

Product	Versions
kittykovidgoyal	< 0.47.3Affected

References

https://github.com/kovidgoyal/kitty/security/advisories/GHSA-5gmr-9gwg-hhq6

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